refactor: use state-based authentication (#11690)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/controllers/concerns/google_concern.rb

@@ -14,7 +14,7 @@ module GoogleConcern
 
   private
 
-  def base_url
-    ENV.fetch('FRONTEND_URL', 'http://localhost:3000')
+  def scope
+    'email profile https://mail.google.com/'
   end
 end

app/controllers/concerns/microsoft_concern.rb

@@ -15,7 +15,7 @@ module MicrosoftConcern
 
   private
 
-  def base_url
-    ENV.fetch('FRONTEND_URL', 'http://localhost:3000')
+  def scope
+    'offline_access https://outlook.office.com/IMAP.AccessAsUser.All https://outlook.office.com/SMTP.Send openid profile email'
   end
 end